diff --git a/pyproject.toml b/pyproject.toml
index 368e64c..389696e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ classifiers = [
   "Development Status :: 4 - Beta",
   "License :: OSI Approved :: BSD License",
   "Topic :: Software Development :: Libraries :: Python Modules",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.10",